3 Replies
Judy Nollet

The built-in Resources tab doesn't accept an e-address as the link. 

Instead, you could create a slide with the e-addresses and other resources, and link to that in a custom Resources tab. This post describes how: TIP: Create Custom Player Tabs for Your Resources, Glossary, and More - Articulate Storyline Discussions - E-Learning Heroes 

Judy Nollet

You're not doing anything wrong. Custom tabs always go in the topbar.

I can't say for sure why, but my guess is that it's because a custom tab itself doesn't show information the way the Menu or Notes do. Instead, a tab just performs one of the allowed actions: 

So if you want to use a custom tab to lightbox a slide with the course Resources, the tab will have to be in the topbar.